远离眼球壁而漂浮于玻璃状体内的非磁性异物,可用细镊或异物钳在直视下或检眼镜等的观察下,直接夹取摘出。但是,如当异物固定于玻璃状体内的机化条索之中时,单纯的直接夹取,不但不易摘出成功,而且颇易造成视网膜撕裂、脱离或出血等并发症。我们遇到一例铜异物,其异物位于中 Away from the eye wall and floating in the vitreous body of non-magnetic foreign bodies, can be fine tweezers or foreign body forceps under direct vision or ophthalmoscopy and other observations, the direct clip taken off. However, when the foreign body is fixed in the vitrified body, it is not only difficult to remove it but also easily cause the retinal tears, detachment or hemorrhage and other complications. We encountered a copper foreign object, the foreign object is located in